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Chemical composition and fermentative losses of sugar cane ensilage with different Brix degrees, with or without calcium oxide R. Bras. Zootec.
Magalhães,Felipe Antunes; Valadares Filho,Sebastião de Campos; Menezes,Gustavo Chamon de Castro; Machado,Marcelo Grossi; Zanetti,Diego; Pina,Douglas dos Santos; Pereira,Odilon Gomes; Paulino,Mário Fonseca.
The objective of this study was to evaluate the effect of sugar cane ensilage with different Brix degrees, with or without the addition of 0.5% of calcium oxide (lime) on the chemical composition and fermentation losses of silages. A complete random design in a 9 × 2 factorial arrangement was used. Experimental silos were used, ensilage was done every 15 days with Brix measuring, and they were opened after 30 days of fermentation. As the Brix degree of the ensiled material increased, the contents of dry matter (DM) increased and contents of ash, crude protein (CP) and fibers (neutral and acid detergent fiber corrected for proteins - NDFap and ADFap) reduced. After fermentation, DM content of the silage presented a linear increase with the Brix degree...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brix; Calcium oxide; Ethanol; Sugar cane silage.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000200004
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Creatinine excretion and relationship with body weight of Nellore cattle R. Bras. Zootec.
Silva,Luiz Fernando Costa e; Valadares Filho,Sebastião de Campos; Chizzotti,Mário Luiz; Rotta,Polyana Pizzi; Prados,Laura Franco; Valadares,Rilene Ferreira Diniz; Zanetti,Diego; Braga,Jercyane Maria da Silva.
The objective of this study was to estimate the urinary creatinine excretion by the shrunk body weight (SBW). In experiment I, 32 Nellore bulls with initial body weight of 259±24.9 kg and 14±1 months-old were used. The group was divided in four animals to maintenance and twenty eight animals feeding ad libitum and separated in four groups; each group was slaughtered at different times of feedlot (42, 84, 126 and 168 days). The diet was composed of corn silage and concentrate (55:45). Before the slaughters, the total urinary collection was realized during three days. A database of creatinine excretion was collected from other five studies that had been conducted with Nellore cattle. In all the studies, the total urinary collection was realized during at...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crude protein; Muscle tissue; Total collection; Urine.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000300046
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Energy and protein nutritional requirements for Nellore bulls R. Bras. Zootec.
Silva,Luiz Fernando Costa e; Valadares Filho,Sebastião de Campos; Zanetti,Diego; Rotta,Polyana Pizzi; Marcondes,Marcos Inácio; Prados,Laura Franco; Paulino,Mário Fonseca; Azevedo,Henrique de Oliveira.
The objective of this study was to determine the nutritional requirements of energy and protein and estimate the efficiencies of metabolizable energy utilization for fat and protein deposition, as well as for maintenance (k m) and growth (k g). An experiment of comparative slaughter was carried out with thirty-seven 14-month-old (±1 month) Nellore bulls with 259±24.9 kg. Animals were divided as follows: five to reference, four to maintenance level and twenty-eight bulls feeding ad libitum. Bulls were also grouped in 4 different feedlot periods (42, 84, 126 and 168 days) for slaughter. The diet was composed of corn silage and concentrate, at a 55:45 ratio. After the slaughter, the left half carcasses were totally dissected for determination of body...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Deposition; Efficiency; Growth; Maintenance; Metabolizable energy.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600028
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Intake and performance of feedlot cattle fed diets based on high and low Brix sugar cane with or without calcium oxide and corn silage R. Bras. Zootec.
Magalhães,Felipe Antunes; Valadares Filho,Sebastião de Campos; Menezes,Gustavo Chamon de Castro; Gionbelli,Mateus Pies; Zanetti,Diego; Machado,Marcelo Grossi; Pina,Douglas dos Santos; Komura,Koiti.
The objective of this study was to evaluate low and high Brix diets, treated or not with 5 g of calcium oxide per kg of natural matter, and corn silage on intake, digestibility and performance of beef cattle. Forty cattle with initial body weight (BW) of 350 kg were used: five composed the control group, 30 were distributed into random blocks (control) and the other five were distributed in a 5 × 5 incomplete Latin square, with the objective of determining digestibility. The 30 animals evaluated for performance were slaughtered and empty body weight (EPW), carcass dressing and meat cuts were determined. The diet with corn silage (CS) presented the best intake of the other ingredients and the best weight gain, except for neutral detergent fiber intake in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Digestibility; Ethanol; Fermentation; Treatment.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600026
Registros recuperados: 4
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